Home / 767,781.68-1,147,174.96-740,930.82

Finding the Fourth Proportional to 767,781.68, 1,147,174.96 and 740,930.82

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Solution

The fourth proportional to 767,781.68, 1,147,174.96 and 740,930.82 is: 1,107,055.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,781.68 : 1,147,174.96 = 740,930.82 : x
  2. Step 2: Convert to fraction form
    767,781.68/1,147,174.96 = 740,930.82/x
  3. Step 3: Cross multiply
    767,781.68x = 1,147,174.96 × 740,930.82
  4. Step 4: Simplify right side
    767,781.68x = 849,977,280,091.61
  5. Step 5: Solve for x
    x = 849,977,280,091.61/767,781.68
  6. Step 6: Final answer
    x = 1,107,055.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.